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Finding the Third Proportional to 19,144,390.50 and 40,979,823.75

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Solution

The third proportional to 19,144,390.50 and 40,979,823.75 is: 87,720,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144,390.50 : 40,979,823.75 = 40,979,823.75 : x
  2. Step 2: Convert to fraction form
    19,144,390.50/40,979,823.75 = 40,979,823.75/x
  3. Step 3: Cross multiply
    19,144,390.50x = 40,979,823.75 × 40,979,823.75
  4. Step 4: Simplify right side
    19,144,390.50x = 1,679,345,954,581,064
  5. Step 5: Solve for x
    x = 1,679,345,954,581,064/19,144,390.50
  6. Step 6: Final answer
    x = 87,720,001.04

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.